function pluralize(time, label) {
  if (time === 1) {
    return time + label
  }
  return time + label + 's'
}

export function timeAgo(time) {
  const between = Date.now() / 1000 - Number(time)
  if (between < 3600) {
    return pluralize(~~(between / 60), ' minute')
  } else if (between < 86400) {
    return pluralize(~~(between / 3600), ' hour')
  } else {
    return pluralize(~~(between / 86400), ' day')
  }
}

export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null
  }

  if ((time + '').length === 10) {
    time = +time * 1000
  }

  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    date = new Date(parseInt(time))
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return time_str
}

export function formatTime(time, option) {
  time = +time * 1000
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) { // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
  }
}

/* 数字 格式化*/
export function nFormatter(num, digits) {
  const si = [
    { value: 1E18, symbol: 'E' },
    { value: 1E15, symbol: 'P' },
    { value: 1E12, symbol: 'T' },
    { value: 1E9, symbol: 'G' },
    { value: 1E6, symbol: 'M' },
    { value: 1E3, symbol: 'k' }
  ]
  for (let i = 0; i < si.length; i++) {
    if (num >= si[i].value) {
      return (num / si[i].value + 0.1).toFixed(digits).replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
    }
  }
  return num.toString()
}

// 时间戳转年月日
export function getTimeYMD (str) {
  try {
    var date = new Date(str)
    var year = date.getFullYear()
    var month = date.getMonth() + 1
    var day = date.getDate()
    year = year >= 10 ? year : `0${year}`
    month = month >= 10 ? month : `0${month}`
    day = day >= 10 ? day : `0${day}`
  } catch (error) {
    return 
  }
  return `${year}-${month}-${day}`
}

export function getTimeHMS (str) {
  try {
    var date = new Date(str)
    var hour = date.getHours()
    var minute = date.getMinutes()
    var seconds = date.getMilliseconds()
    hour = hour >= 10 ? hour : `0${hour}`
    minute = minute >= 10 ? minute : `0${minute}`
    seconds = seconds >= 10 ? seconds : `0${seconds}`
  } catch (error) {
    return '00:00:00'
  }
  return `${hour}:${minute}:${seconds}`
}

//获取时分秒 根据时间戳相减
export function getdTime (startTime, endTime) {
  if (startTime > endTime) {
  return '1分钟'
  }
  let argsLen = arguments.length
  if (argsLen == 2) {
  var val = (endTime - startTime)
  } else {
  var val = startTime
  }
  if (startTime.toString().length === 13) {
  val = val / 1000
  }
  let d = Math.floor(val / 86400); 
  val = val % 86400
  let h = Math.floor( val / 3600); 
  val = val % 3600
  let m = Math.floor(val / 60); 
  let str = ''
  if (d != 0) {
  str += d + '天'
  }
  if (h != 0) {
  str += h + '小时'
  }
  if (m != 0) {
  str += m + '分钟'
  } 
  
  if (d == 0 && h == 0 && Math.floor(m) == 0 ) {
  str += 1 + '分钟'
  }
  return str
  }